busybox/networking/ip.c

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/* vi: set sw=4 ts=4: */
/*
* ip.c "ip" utility frontend.
*
* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
*
* Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
*
*
* Changes:
*
* Rani Assaf <rani@magic.metawire.com> 980929: resolve addresses
* Bernhard Fischer rewrote to use index_in_substr_array
*/
#include "libbb.h"
#include "libiproute/utils.h"
#include "libiproute/ip_common.h"
#if ENABLE_FEATURE_IP_ADDRESS \
|| ENABLE_FEATURE_IP_ROUTE \
|| ENABLE_FEATURE_IP_LINK \
|| ENABLE_FEATURE_IP_TUNNEL \
|| ENABLE_FEATURE_IP_RULE
static int ATTRIBUTE_NORETURN ip_print_help(char ATTRIBUTE_UNUSED **argv)
{
bb_show_usage();
}
static int ip_do(int (*ip_func)(char **argv), char **argv)
{
argv = ip_parse_common_args(argv);
return ip_func(argv);
}
#if ENABLE_FEATURE_IP_ADDRESS
int ipaddr_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int ipaddr_main(int argc ATTRIBUTE_UNUSED, char **argv)
{
return ip_do(do_ipaddr, argv);
}
#endif
#if ENABLE_FEATURE_IP_LINK
int iplink_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int iplink_main(int argc ATTRIBUTE_UNUSED, char **argv)
{
return ip_do(do_iplink, argv);
}
#endif
#if ENABLE_FEATURE_IP_ROUTE
int iproute_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int iproute_main(int argc ATTRIBUTE_UNUSED, char **argv)
{
return ip_do(do_iproute, argv);
}
#endif
#if ENABLE_FEATURE_IP_RULE
int iprule_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int iprule_main(int argc ATTRIBUTE_UNUSED, char **argv)
{
return ip_do(do_iprule, argv);
}
#endif
#if ENABLE_FEATURE_IP_TUNNEL
int iptunnel_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int iptunnel_main(int argc ATTRIBUTE_UNUSED, char **argv)
{
return ip_do(do_iptunnel, argv);
}
#endif
int ip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int ip_main(int argc ATTRIBUTE_UNUSED, char **argv)
{
static const char keywords[] ALIGN1 =
USE_FEATURE_IP_ADDRESS("address\0")
USE_FEATURE_IP_ROUTE("route\0")
USE_FEATURE_IP_LINK("link\0")
USE_FEATURE_IP_TUNNEL("tunnel\0" "tunl\0")
USE_FEATURE_IP_RULE("rule\0")
;
enum {
USE_FEATURE_IP_ADDRESS(IP_addr,)
USE_FEATURE_IP_ROUTE(IP_route,)
USE_FEATURE_IP_LINK(IP_link,)
USE_FEATURE_IP_TUNNEL(IP_tunnel, IP_tunl,)
USE_FEATURE_IP_RULE(IP_rule,)
IP_none
};
int (*ip_func)(char**) = ip_print_help;
argv = ip_parse_common_args(argv + 1);
if (*argv) {
int key = index_in_substrings(keywords, *argv);
argv++;
#if ENABLE_FEATURE_IP_ADDRESS
if (key == IP_addr)
ip_func = do_ipaddr;
#endif
#if ENABLE_FEATURE_IP_ROUTE
if (key == IP_route)
ip_func = do_iproute;
#endif
#if ENABLE_FEATURE_IP_LINK
if (key == IP_link)
ip_func = do_iplink;
#endif
#if ENABLE_FEATURE_IP_TUNNEL
if (key == IP_tunnel || key == IP_tunl)
ip_func = do_iptunnel;
#endif
#if ENABLE_FEATURE_IP_RULE
if (key == IP_rule)
ip_func = do_iprule;
#endif
}
return ip_func(argv);
}
#endif /* any of ENABLE_FEATURE_IP_xxx is 1 */